In-brief: a security researcher demonstrated a broadcast-based attacks on smart televisions, almost three years after a similar demonstration by researchers at Columbia. More than 90 percent of smart TVs may be vulnerable – but carrying out an attack may be challenging.

In-brief: Hobbled by draconian copyright restrictions from manufacturers like John Deere that make it impossible to modify or repair equipment, farmers in the U.S. have turned to unofficial software produced in countries like Ukraine to maintain their equipment.